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LDAP_FIRST_MESSAGE(3)                                    LDAP_FIRST_MESSAGE(3)

       ldap_first_message, ldap_next_message, ldap_count_messages - Stepping through messages in a result chain

       OpenLDAP LDAP (libldap, -lldap)

       #include <ldap.h>

       int ldap_count_messages( LDAP *ld, LDAPMessage *result )

       LDAPMessage *ldap_first_message( LDAP *ld, LDAPMessage *result )

       LDAPMessage *ldap_next_message( LDAP *ld, LDAPMessage *message )

       These  routines  are  used  to  step  through the messages in a result chain received from ldap_result(3).  For
       search operations, the result chain can contain referral, entry and result messages. The ldap_msgtype(3)  func-
       tion can be used to distinguish between the different message types.

       The  ldap_first_message() routine is used to retrieve the first message in a result chain.  It takes the result
       as returned by a call to ldap_result(3), ldap_search_s(3) or ldap_search_st(3) and returns  a  pointer  to  the
       first message in the result chain.

       This pointer should be supplied on a subsequent call to ldap_next_message() to get the next message, the result
       of which should be supplied to the next call to ldap_next_message(), etc.  ldap_next_message() will return NULL
       when there are no more messages.

       These  functions are useful when using routines like ldap_parse_result(3) that only operate on the first result
       in the chain.

       A count of the number of messages in the result chain can be obtained by calling ldap_count_messages().  It can
       also  be used to count the number of remaining messages in a chain if called with a message, entry or reference
       returned   by   ldap_first_message()   ,   ldap_next_message()   ,   ldap_first_entry(3),   ldap_next_entry(3),
       ldap_first_reference(3), ldap_next_reference(3).

       If  an  error  occurs  in ldap_first_message() or ldap_next_message(), NULL is returned.  If an error occurs in
       ldap_count_messages(), -1 is returned.

       ldap(3), ldap_search(3), ldap_result(3), ldap_parse_result(3), ldap_first_entry(3), ldap_first_reference(3)

       OpenLDAP Software is developed and maintained by The  OpenLDAP  Project  <>;.   OpenLDAP
       Software is derived from University of Michigan LDAP 3.3 Release.

OpenLDAP 2.4.40                   2014/09/20             LDAP_FIRST_MESSAGE(3)